Merge commit 'f6d65'

# Conflicts:
#	skins/ArchLinux/ArchLinux.php

1 files changed, 24 insertions, 0 deletions

diff --git a/includes/actions/Action.php b/includes/actions/Action.php
index 8d11d901..bb6a4d5d 100644
--- a/includes/actions/Action.php
+++ b/includes/actions/Action.php
@@ -132,6 +132,8 @@ abstract class Action {
 		if ( $actionName === 'historysubmit' ) {
 			if ( $request->getBool( 'revisiondelete' ) ) {
 				$actionName = 'revisiondelete';
+			} elseif ( $request->getBool( 'editchangetags' ) ) {
+				$actionName = 'editchangetags';
 			} else {
 				$actionName = 'view';
 			}
@@ -375,6 +377,28 @@ abstract class Action {
 	}
 
 	/**
+	 * Adds help link with an icon via page indicators.
+	 * Link target can be overridden by a local message containing a wikilink:
+	 * the message key is: lowercase action name + '-helppage'.
+	 * @param string $to Target MediaWiki.org page title or encoded URL.
+	 * @param bool $overrideBaseUrl Whether $url is a full URL, to avoid MW.o.
+	 * @since 1.25
+	 */
+	public function addHelpLink( $to, $overrideBaseUrl = false ) {
+		global $wgContLang;
+		$msg = wfMessage( $wgContLang->lc(
+			Action::getActionName( $this->getContext() )
+			) . '-helppage' );
+
+		if ( !$msg->isDisabled() ) {
+			$helpUrl = Skin::makeUrl( $msg->plain() );
+			$this->getOutput()->addHelpLink( $helpUrl, true );
+		} else {
+			$this->getOutput()->addHelpLink( $to, $overrideBaseUrl );
+		}
+	}
+
+	/**
 	 * The main action entry point.  Do all output for display and send it to the context
 	 * output.  Do not use globals $wgOut, $wgRequest, etc, in implementations; use
 	 * $this->getOutput(), etc.